2 files changed, 31 insertions, 3 deletions

diff --git a/src/vnet/session/session.api b/src/vnet/session/session.api
index 6ed75efb08c..358103a4f56 100644
--- a/src/vnet/session/session.api
+++ b/src/vnet/session/session.api
@@ -348,7 +348,7 @@ autoreply define session_enable_disable {
     @param namespace_id_len - length of namespace id lower
     @param namespace_id - namespace id
 */
-autoreply define app_namespace_add_del {
+define app_namespace_add_del {
   u32 client_index;
   u32 context;
   u64 secret;
@@ -359,6 +359,18 @@ autoreply define app_namespace_add_del {
   u8 namespace_id[64];
 };
 
+/** \brief Reply for app namespace add/del
+    @param context - returned sender context, to match reply w/ request
+    @param retval - return code
+    @param appns_index - app namespace index
+*/
+define app_namespace_add_del_reply
+{
+  u32 context;
+  i32 retval;
+  u32 appns_index;
+};
+
 /** \brief add/del session rule
     @param client_index - opaque cookie to identify the sender
                           client to vpp direction only
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index fb74e6bbff4..7de77ddfd34 100755
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -748,8 +748,9 @@ static void
 vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
 {
   vl_api_app_namespace_add_del_reply_t *rmp;
-  u8 *ns_id = 0;
   clib_error_t *error = 0;
+  u32 appns_index = 0;
+  u8 *ns_id = 0;
   int rv = 0;
   if (!session_manager_is_enabled ())
     {
@@ -779,9 +780,24 @@ vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
       rv = clib_error_get_code (error);
       clib_error_report (error);
     }
+  else
+    {
+      appns_index = app_namespace_index_from_id (ns_id);
+      if (appns_index == APP_NAMESPACE_INVALID_INDEX)
+	{
+	  clib_warning ("app ns lookup failed");
+	  rv = VNET_API_ERROR_UNSPECIFIED;
+	}
+    }
   vec_free (ns_id);
+
+  /* *INDENT-OFF* */
 done:
-  REPLY_MACRO (VL_API_APP_NAMESPACE_ADD_DEL_REPLY);
+  REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
+    if (!rv)
+      rmp->appns_index = clib_host_to_net_u32 (appns_index);
+  }));
+  /* *INDENT-ON* */
 }
 
 static void